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Riesel primes of the form 19635•2n-1

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Current data

k , b : 19635 , 2
Type : 3152805
Count : 95
Nash : 4363
Max n : 1,000,000
Date : 2021-07-20
2[1], 4[2], 5, 12, 14[3], 19, 21, 36, 38, 47, 56[4], 57, 60, 80, 85, 89, 94, 125, 142, 152, 156, 164, 244, 247[5], 253[6], 254, 298[7], 299, 323, 342, 344, 346, 463, 484[8], 485, 497, 554, 561, 644, 698, 714, 1000, 1262, 1586, 1649, 1691, 1864, 1890, 1942, 2365, 2810, 3354, 3465, 3484, 3547, 4162, 4340, 5563, 5735, 6613, 8494, 8569, 8984, 9469, 11760, 11846, 12160, 12959, 13978, 14762, 15672, 16126, 19363, 22358, 30592, 34136, 35302, 43394, 45621, 52505, 52832, 64694, 67498, 79949, 99074, 125045, 156800, 189197, 252425, 317282, 354613, 535940, 621545, 889998, 939163

Notes

  1. Twin n=2
  2. S.G. n=4, Twin n=4
  3. Twin n=14
  4. S.G. n=56
  5. Twin n=247
  6. S.G. n=253
  7. S.G. n=298
  8. S.G. n=484

History